XML 47 R37.htm IDEA: XBRL DOCUMENT
v3.21.1

Fair Value (Details 3) - USD ($) $ in Thousands | Mar. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Loans identified as impaired by class of loans |  |
Carrying Value | $ 10,382 | $ 11,367
Allowance for Loan Losses Allocated | 4,319 | 4,786
Impaired Financing Receivable, with Related Allowance, Recorded Investment | 6,063 | 6,581
Commercial & Industrial |  |
Loans identified as impaired by class of loans |  |
Carrying Value | 3,711 | 4,435
Allowance for Loan Losses Allocated | 966 | 1,363
Fair value | 2,745 | 3,072
Farmland |  |
Loans identified as impaired by class of loans |  |
Carrying Value | 1,244 | 1,231
Allowance for Loan Losses Allocated | 5 | 35
Fair value | 1,239 | 1,196
Non Farm, Non Residential |  |
Loans identified as impaired by class of loans |  |
Carrying Value | 3,195 | 3,193
Allowance for Loan Losses Allocated | 3,041 | 3,038
Fair value | 154 | 155
Agriculture |  |
Loans identified as impaired by class of loans |  |
Carrying Value | 324 | 600
Allowance for Loan Losses Allocated | 1 | 162
Fair value | 323 |
All Other Commercial |  |
Loans identified as impaired by class of loans |  |
Carrying Value | 528 | 528
Allowance for Loan Losses Allocated | 85 | 52
Fair value | 443 | 476
First Liens |  |
Loans identified as impaired by class of loans |  |
Carrying Value | 0 | 0
Allowance for Loan Losses Allocated | 0 | 0
Fair value | 0 | 0
Home Equity |  |
Loans identified as impaired by class of loans |  |
Carrying Value | 0 | 0
Allowance for Loan Losses Allocated | 0 | 0
Fair value | 0 | 0
Junior Liens |  |
Loans identified as impaired by class of loans |  |
Carrying Value | 0 | 0
Allowance for Loan Losses Allocated | 0 | 0
Fair value | 0 | 0
Multifamily |  |
Loans identified as impaired by class of loans |  |
Carrying Value | 1,380 | 1,380
Allowance for Loan Losses Allocated | 221 | 136
Fair value | 1,159 | 1,244
All Other Residential |  |
Loans identified as impaired by class of loans |  |
Carrying Value | 0 | 0
Allowance for Loan Losses Allocated | 0 | 0
Fair value | 0 | 0
Motor Vehicle |  |
Loans identified as impaired by class of loans |  |
Carrying Value | 0 | 0
Allowance for Loan Losses Allocated | 0 | 0
Fair value | 0 | 0
All Other Consumer |  |
Loans identified as impaired by class of loans |  |
Carrying Value | 0 | 0
Allowance for Loan Losses Allocated | 0 | 0
Fair value | $ 0 | $ 0

X
- Definition Impaired Financing Receivable, Unpaid Principal Balance, Fair Value Disclosure + References No definition available. + Details
Name: | thff_ImpairedFinancingReceivableUnpaidPrincipalBalanceFairValueDisclosure
Namespace Prefix: | thff_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_FinancingReceivableImpairedLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953550-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivableRecordedInvestment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of allowance for credit losses related to recorded investment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=121611835&loc=d3e5212-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivableRelatedAllowance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of investment in impaired financing receivables for which there is a related allowance for credit losses. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953550-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=thff_CommercialAndIndustrialReceivablesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=thff_FarmlandMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=thff_NonFarmNonResidentialReceivablesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=thff_AgricultureReceivablesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=thff_OtherCommercialReceivablesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_FirstMortgageMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_HomeEquityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_SecondMortgageMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=srt_MultifamilyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=thff_OtherResidentialReceivablesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_AutomobileLoanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=thff_OtherConsumerReceivablesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |